Annual mean
Annual mean of daily highs
Annual mean of daily lows
Dallas town, South Dakota
Official LSAD Designation: Dallas town • Census GEOID: 4615300
• Gregory County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Dallas town.
Reference Weather Station: GREGORY, SD US (ID: USC00393452)
• Located 4.2 miles from community center
• Elevation: 658.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 31.6° | 10.1° | 20.9° | 0.55" |
| February | 35.9° | 13.1° | 24.5° | 0.75" |
| March | 46.8° | 22.5° | 34.7° | 1.34" |
| April | 57.6° | 33.3° | 45.4° | 3.12" |
| May | 68.8° | 45.0° | 56.9° | 4.13" |
| June | 79.6° | 55.9° | 67.8° | 4.18" |
| July | 86.6° | 61.7° | 74.2° | 2.99" |
| August | 84.7° | 59.3° | 72.0° | 3.14" |
| September | 76.7° | 49.6° | 63.1° | 2.41" |
| October | 61.6° | 35.7° | 48.7° | 2.36" |
| November | 46.8° | 23.0° | 34.9° | 0.95" |
| December | 34.5° | 13.8° | 24.2° | 0.74" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station GREGORY, SD US (ID: USC00393452) • 4.2 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 46.9 | 58.3 | 35.4 |
| 2011 | 46.3 | 58.0 | 34.6 |
| 2012 | 51.0 | 64.5 | 37.5 |
| 2013 | 45.3 | 56.8 | 33.8 |
| 2014 | 45.2 | 57.6 | 32.8 |
| 2015 | 48.6 | 60.7 | 36.5 |
| 2016 | 49.6 | 61.6 | 37.6 |
| 2017 | 48.1 | 60.2 | 35.9 |
| 2018 | 45.5 | 56.9 | 34.1 |
| 2019 | 44.3 | 55.9 | 32.6 |
| 2020 | 48.2 | 60.8 | 35.6 |
| 2021 | 49.1 | 61.5 | 36.7 |
| 2022 | 47.1 | 60.9 | 33.4 |
| 2023 | 48.2 | 60.5 | 35.9 |
| 2024 | 49.6 | 61.9 | 37.3 |
| 2025 | 48.6 | 61.0 | 36.2 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.